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Qaab-dhismeedka wareeg ee ubaxa. Ubax waa hermaphrodite iyo dioecious

In dabiiciga ah, waxaa jira midabo kala badan oo kala duwan. Qaar ka mid ah dhalaalaya oo qurux badan, ka kale - fudud iyo inta banka Caraabaah. Waa maxay sababta? waxaa suurtagal ah in sharax schematic ah? Waxaa soo baxday in waxa dhabta ah. Laakiin waxa sharxi karaa nidaamka? Qaab dhismeedka ubaxa in dhirta kala duwan waxay noqon kartaa mid aad u kala duwan. Laakiin farqiga ugu weyn ee ma aha in foomka ama beauty of Tent ay. Inta badan ka muhiimsan waa waxa isaga gudihiisa.

function ubaxa

Sidaas daraaddeed in dhirta isu soo saari karaa, ay u baahan yihiin xubnaha taranka. Si arrintan loo sameeyo, noocyada qaar ka mid ah ay barteen in ay siin kor u nolol cusub ka caleemaha xididka. Qaar kale waxay kacay ubaxa sida xubinta hoose galmada ee koorsada of horumar. Waxaa soo bixitaanka iyo koriinkedu of unugyada in dawadda ka dib markii pollination of abuur koriinkedu. sawir kor ku xusan ayaa muujinaya qaabka nooca caadiga ah ee nidaamka ubax. Waa maxay sababta uu leeyahay qaab noocan oo kale ah?

Waxaa la rumeysan yahay in ubaxa - derivative ah ee caleemaha. Waxay yihiin Metamorphosis a yaab leh, sida ku habboon xaaladaha deegaanka. Qaar ka mid ah "bartay" in is-rimiyaan. dabayl kale isku halleeya. Qaar kale loo bedelay sidan oo kale sida ay u soo jiitaan cayayaanka ay u saftay. Oo iyana waxay ku, ka soo ka mid ah ubaxa in kale in search of nectar naftooda on si ay u fuliyaan manka.

Qaab dhismeedka Scheme ee ubaxa

Waa maxay xubinta taranka? Sida caadiga ah, ubaxa waa element ugu dambeeya ee laanta dhidibka ugu weyn ee taagan ama lateral. Horumarineyso ka hari la aasaasay on caleemaha gaaban, oo aan marnaba noqon kartaa on caleemaha. meeshii uu bilaabaa in uu ka soo asliga ah kici, loo yaqaan weelka. Waxaa la iska dhaqaaqin ka "baxo" soo maray Metamorphosis ah ee geedi socodka of horumar evolutionary.

Dhismaha ubaxa (circuit nooca guud) in la baaro karaa tusaale ahaan sawirka la hoos u amro ah. Waa la arki karaa kafaalaqaade awgii. From uu korayo perianth. Its doorka waa mid sare iyo mid yahay ilaalinta meelaha ugu badan oo muhiim ah ee ubaxa. Perianth yeelan karaan qeybinta cad galay koob iyo garaac. Waxay noqon kartaa mid fudud oo unprepossessing, midab uniform. Iyo xaaladaha kale, waxaa lagu qaybsan sepals iyo Tent dhalaalaya, soo jiidan cayayaanka la midabo ay.

gaar ahaan Waa maxay qaabka gudaha ee ubaxa? Scheme dhirta taranka hermaphrodite xubin muujinaya joogitaanka stamen ah (organelles lab) iyo carpel (dumarka). Waxa kale oo ay tahay meelaha ugu weyn ee ubaxa. Taa baddalkeeda hoose ee tuntid salka go'doon - ugxan, ovule kooban ee kor ku xusan - column waday, ku dul tip - dareerka. Stamen ka kooban yahay buuxieyey khafiif ah, oo ku yaalla hoos ku.

Hermaphrodite iyo dioecious ubax

Waa maxay saleysan soocidda this? Waa maxay farqiga ay? Qaab-dhismeedka wareeg iyo set ubax hermaphrodite dioecious kala duwan ee organelles taranka. Buuxi kit presupposes iyo stamens oo pistil (bisexual). Haddii, si kastaba ha ahaatee, soo saaray oo kaliya pistil ah, ubaxa waxaa loo arkaa haweenka, iyo haddii oo kaliya stamens ah - oo lab ah. In labada kiisaska, kuwaas oo, si aan ugu hadlo oo ka mid ah qaybaha taranka ee dhirta waa dioecious.

Maxaa kale waa qaab-dhismeedka nidaamka gaarka ah ee ubaxa? Waxaa jira kala soocidda kale. Iyada oo ganacsiga ubax bisexual Iyamaa hawl yar, ay pollination qaadataa meel aan wax dhibaato ah. Iyada oo xaaladda dioecious waa ka adag. Waxaa laga yaabaa in labo ikhtiyaar. In noocyada qaar ka mid ah ubaxa in mabda'a dumarka iyo ragga u koraan dhinac isku jirid (monoecious). Xaaladdan oo kale, pollination la fududeeyay. Qaar kale waxay leeyihiin lab iyo ubaxyadii dumar ah waxaa lagu soo saaray duwan dhirta (dioecious), oo ay ku yaalaan karaa kasta oo kale oo meel fog ka badan.

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nidaamka (dhismeedka ubax) Tani waxay suuro gelineysaa in la fahmo nuxurka Qaybta warshadda by mabda'a jinsiga. ubax bisexual (Tent ay), waxa ay noqon yar dhalaalaya. Tan waxa u sabab u dhow ugu dhow ee ku lab iyo dhaddig organelles. Xataa mid ka mid ah waa pollinators cayayaanka ku filan. In noocyada qaar ka mid ah stamens guud ahaan qorsheeyey si manka, burburka, mar ayay helo on pistil ka. ubax Dioecious rimiyaan naftooda ma karo. Sidaa darteed, Tent yihiin midab dhalaalaya inay soo jiitaan cayayaanka.

Waxaa jira kala saaro oo kale. Dhirta Qaar ka mid ah Bloom ee 3 - 4 toddobaad ka dib beero (sanadlaha ah), halka kuwo kale oo kaliya sanadka labaad ama saddexaad (muddo dheer). Qaar ka mid ah dhirta guud ahaan gaaraan maturity galmada oo kaliya ka dib markii muddo tobaneeyo sano ah. Mid ka mid ah qayb ka mid ah geedka blooms waqti go'an, dadka kale (citron) "samaynaya" waxa ay waqtiga oo dhan. Sidaas darteed, la soo noqnoqoshada isla jiro a bislaada of miraha iyo abuurka.

Nuxurka of ubaxu waa ay furan yihiin in ay helaan xubnaha ugu muhiimsan ee taranka. Sida koriinkedu of unugyada jeermiga ugu horeysay dhacdaa buro dehiscence. Perianth bandhigi: marka hore, sepals, Tent markaas. Sidii ay u bislaadaan si buuxda u furan in ay anthers iyo stamens aan looga hortago aragtida ah dhaleeceynta dhaddig oo manka lab.

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